Science Talk = Zealandia, Autism and the Soap we had to ban

Planets are popping up everywhere but what about that new Continent on Earth - Why has it taken us so long to find it ? Which part of the human brain is revealing a relationship with Autism .... and why did we have to ban a certain type of soap ? Surely something as simple as soap can't be that bad ? Dr Karl, Dr Alice and Dr (almost) Jessica discuss the latest.